PPA International 1455 USB 6 Channel External Sound with VoIP Support Retail Works with your notebook - netbook - or desktop Supports up to 32KHz, and 44.1KHz (driver needed in order to support the applications) Up to 48KHz sampling rate in digital recording Up to 48KHz sampling in analog recording; and up to 48KHz in digital/analog audio playback Receives audio stream from PC via USB interface and transmits audio data according to the AES / EBU, IEC60958, SPDIF consumer interface standards